<!DOCTYPE html>
<div  style="column-count: 2; height: 400px; width: 400px; column-gap: 0px;">
  <div style="width: 200px; height: 200px; background: lightgray"></div>
  <div style="width: 200px; height: 200px; background: lightblue;
    outline: auto 1px; will-change: transform;"></div>
</div>
